common bird cherry vs hagberry tree

common bird cherry and hagberry tree both are nouns.

Word	Noun	Adjective	Verb	Adverb
common bird cherry	Yes	No	No	No
hagberry tree	Yes	No	No	No

As nouns, common bird cherry and hagberry tree are synonyms defined as:

common bird cherry and hagberry tree: small European cherry tree closely resembling the American chokecherry

Other synonyms of common bird cherry include European bird cherry, Prunus padus.

common bird cherry (noun)	hagberry tree (noun)
small European cherry tree closely resembling the American chokecherry	small European cherry tree closely resembling the American chokecherry